java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label37_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:36:32,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:36:32,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:36:32,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:36:32,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:36:32,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:36:32,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:36:32,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:36:32,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:36:32,479 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:36:32,480 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:36:32,480 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:36:32,481 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:36:32,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:36:32,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:36:32,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:36:32,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:36:32,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:36:32,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:36:32,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:36:32,492 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:36:32,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:36:32,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:36:32,495 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:36:32,495 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:36:32,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:36:32,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:36:32,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:36:32,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:36:32,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:36:32,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:36:32,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 19:36:32,503 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 19:36:32,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:36:32,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:36:32,519 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:36:32,519 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:36:32,520 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:36:32,520 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:36:32,520 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:36:32,521 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:36:32,521 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:36:32,521 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:36:32,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:36:32,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:36:32,522 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:36:32,522 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:36:32,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:36:32,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:36:32,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:36:32,523 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:36:32,523 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:36:32,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:36:32,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:36:32,523 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:36:32,524 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:36:32,524 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:36:32,524 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:36:32,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:36:32,524 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:36:32,525 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:36:32,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:36:32,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:36:32,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:36:32,600 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:36:32,600 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:36:32,601 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label37_false-unreach-call.c [2018-10-26 19:36:32,669 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b6873b2dd/93c590299fc84b7f874b26aa6f3d2c14/FLAG04db19669 [2018-10-26 19:36:33,419 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:36:33,420 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label37_false-unreach-call.c [2018-10-26 19:36:33,443 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b6873b2dd/93c590299fc84b7f874b26aa6f3d2c14/FLAG04db19669 [2018-10-26 19:36:33,460 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b6873b2dd/93c590299fc84b7f874b26aa6f3d2c14 [2018-10-26 19:36:33,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:36:33,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:36:33,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:36:33,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:36:33,482 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:36:33,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:36:33" (1/1) ... [2018-10-26 19:36:33,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1086b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:33, skipping insertion in model container [2018-10-26 19:36:33,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:36:33" (1/1) ... [2018-10-26 19:36:33,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:36:33,627 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:36:34,634 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:36:34,639 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:36:35,034 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:36:35,058 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:36:35,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35 WrapperNode [2018-10-26 19:36:35,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:36:35,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:36:35,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:36:35,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:36:35,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:36:35,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:36:35,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:36:35,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:36:35,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... [2018-10-26 19:36:35,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:36:35,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:36:35,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:36:35,977 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:36:35,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:36:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:36:36,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:36:36,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:36:48,732 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:36:48,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:36:48 BoogieIcfgContainer [2018-10-26 19:36:48,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:36:48,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:36:48,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:36:48,738 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:36:48,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:36:33" (1/3) ... [2018-10-26 19:36:48,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d8bbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:36:48, skipping insertion in model container [2018-10-26 19:36:48,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:35" (2/3) ... [2018-10-26 19:36:48,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d8bbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:36:48, skipping insertion in model container [2018-10-26 19:36:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:36:48" (3/3) ... [2018-10-26 19:36:48,742 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label37_false-unreach-call.c [2018-10-26 19:36:48,752 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:36:48,761 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:36:48,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:36:48,821 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:36:48,822 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:36:48,822 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:36:48,822 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:36:48,822 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:36:48,823 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:36:48,823 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:36:48,823 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:36:48,823 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:36:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-10-26 19:36:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:36:48,863 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:36:48,864 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:36:48,866 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:36:48,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:36:48,873 INFO L82 PathProgramCache]: Analyzing trace with hash -686802918, now seen corresponding path program 1 times [2018-10-26 19:36:48,875 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:36:48,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:36:48,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:36:48,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:36:48,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:36:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:49,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:36:49,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:36:49,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:36:49,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:36:49,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:36:49,273 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-10-26 19:36:59,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:36:59,659 INFO L93 Difference]: Finished difference Result 2126 states and 3956 transitions. [2018-10-26 19:36:59,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:36:59,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-10-26 19:36:59,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:36:59,695 INFO L225 Difference]: With dead ends: 2126 [2018-10-26 19:36:59,696 INFO L226 Difference]: Without dead ends: 1528 [2018-10-26 19:36:59,703 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:36:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2018-10-26 19:36:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1048. [2018-10-26 19:36:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2018-10-26 19:36:59,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1826 transitions. [2018-10-26 19:36:59,827 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1826 transitions. Word has length 19 [2018-10-26 19:36:59,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:36:59,827 INFO L481 AbstractCegarLoop]: Abstraction has 1048 states and 1826 transitions. [2018-10-26 19:36:59,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:36:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1826 transitions. [2018-10-26 19:36:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 19:36:59,831 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:36:59,832 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:36:59,832 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:36:59,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:36:59,833 INFO L82 PathProgramCache]: Analyzing trace with hash 161564555, now seen corresponding path program 1 times [2018-10-26 19:36:59,833 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:36:59,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:36:59,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:36:59,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:36:59,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:36:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:00,215 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 19:37:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:00,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:37:00,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:37:00,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:37:00,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:37:00,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:00,233 INFO L87 Difference]: Start difference. First operand 1048 states and 1826 transitions. Second operand 4 states. [2018-10-26 19:37:09,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:37:09,531 INFO L93 Difference]: Finished difference Result 3810 states and 6822 transitions. [2018-10-26 19:37:09,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:37:09,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-10-26 19:37:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:37:09,548 INFO L225 Difference]: With dead ends: 3810 [2018-10-26 19:37:09,548 INFO L226 Difference]: Without dead ends: 2764 [2018-10-26 19:37:09,554 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:09,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2018-10-26 19:37:09,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2764. [2018-10-26 19:37:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2764 states. [2018-10-26 19:37:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 4043 transitions. [2018-10-26 19:37:09,641 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 4043 transitions. Word has length 91 [2018-10-26 19:37:09,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:37:09,642 INFO L481 AbstractCegarLoop]: Abstraction has 2764 states and 4043 transitions. [2018-10-26 19:37:09,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:37:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 4043 transitions. [2018-10-26 19:37:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-26 19:37:09,655 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:37:09,655 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:37:09,655 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:37:09,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:37:09,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1256320486, now seen corresponding path program 1 times [2018-10-26 19:37:09,656 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:37:09,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:37:09,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:09,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:09,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:37:09,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:37:09,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:37:09,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:37:09,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:37:09,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:37:09,899 INFO L87 Difference]: Start difference. First operand 2764 states and 4043 transitions. Second operand 3 states. [2018-10-26 19:37:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:37:14,653 INFO L93 Difference]: Finished difference Result 8080 states and 11868 transitions. [2018-10-26 19:37:14,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:37:14,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2018-10-26 19:37:14,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:37:14,679 INFO L225 Difference]: With dead ends: 8080 [2018-10-26 19:37:14,680 INFO L226 Difference]: Without dead ends: 5318 [2018-10-26 19:37:14,685 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:37:14,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2018-10-26 19:37:14,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5318. [2018-10-26 19:37:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5318 states. [2018-10-26 19:37:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 6872 transitions. [2018-10-26 19:37:14,777 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 6872 transitions. Word has length 175 [2018-10-26 19:37:14,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:37:14,778 INFO L481 AbstractCegarLoop]: Abstraction has 5318 states and 6872 transitions. [2018-10-26 19:37:14,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:37:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 6872 transitions. [2018-10-26 19:37:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 19:37:14,782 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:37:14,782 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:37:14,783 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:37:14,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:37:14,783 INFO L82 PathProgramCache]: Analyzing trace with hash -530703120, now seen corresponding path program 1 times [2018-10-26 19:37:14,783 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:37:14,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:37:14,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:14,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:14,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:15,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:37:15,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:37:15,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:37:15,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:37:15,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:15,098 INFO L87 Difference]: Start difference. First operand 5318 states and 6872 transitions. Second operand 4 states. [2018-10-26 19:37:20,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:37:20,818 INFO L93 Difference]: Finished difference Result 11486 states and 14992 transitions. [2018-10-26 19:37:20,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:37:20,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2018-10-26 19:37:20,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:37:20,846 INFO L225 Difference]: With dead ends: 11486 [2018-10-26 19:37:20,847 INFO L226 Difference]: Without dead ends: 6170 [2018-10-26 19:37:20,854 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:20,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6170 states. [2018-10-26 19:37:20,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6170 to 6170. [2018-10-26 19:37:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6170 states. [2018-10-26 19:37:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6170 states to 6170 states and 7379 transitions. [2018-10-26 19:37:20,948 INFO L78 Accepts]: Start accepts. Automaton has 6170 states and 7379 transitions. Word has length 182 [2018-10-26 19:37:20,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:37:20,949 INFO L481 AbstractCegarLoop]: Abstraction has 6170 states and 7379 transitions. [2018-10-26 19:37:20,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:37:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6170 states and 7379 transitions. [2018-10-26 19:37:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-26 19:37:20,953 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:37:20,954 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:37:20,954 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:37:20,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:37:20,954 INFO L82 PathProgramCache]: Analyzing trace with hash -473508876, now seen corresponding path program 1 times [2018-10-26 19:37:20,954 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:37:20,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:37:20,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:20,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:20,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:37:21,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:37:21,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:37:21,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:37:21,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:37:21,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:21,266 INFO L87 Difference]: Start difference. First operand 6170 states and 7379 transitions. Second operand 4 states. [2018-10-26 19:37:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:37:32,557 INFO L93 Difference]: Finished difference Result 15787 states and 19066 transitions. [2018-10-26 19:37:32,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:37:32,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 241 [2018-10-26 19:37:32,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:37:32,591 INFO L225 Difference]: With dead ends: 15787 [2018-10-26 19:37:32,591 INFO L226 Difference]: Without dead ends: 9619 [2018-10-26 19:37:32,600 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:32,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9619 states. [2018-10-26 19:37:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9619 to 8309. [2018-10-26 19:37:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8309 states. [2018-10-26 19:37:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 9781 transitions. [2018-10-26 19:37:32,725 INFO L78 Accepts]: Start accepts. Automaton has 8309 states and 9781 transitions. Word has length 241 [2018-10-26 19:37:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:37:32,725 INFO L481 AbstractCegarLoop]: Abstraction has 8309 states and 9781 transitions. [2018-10-26 19:37:32,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:37:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 8309 states and 9781 transitions. [2018-10-26 19:37:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 19:37:32,732 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:37:32,732 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:37:32,732 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:37:32,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:37:32,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1272917966, now seen corresponding path program 1 times [2018-10-26 19:37:32,733 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:37:32,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:37:32,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:32,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:32,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 174 proven. 71 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 19:37:33,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:37:33,304 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:37:33,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:33,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:37:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 174 proven. 71 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 19:37:33,798 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 19:37:33,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2018-10-26 19:37:33,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:37:33,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:37:33,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:37:33,800 INFO L87 Difference]: Start difference. First operand 8309 states and 9781 transitions. Second operand 5 states. [2018-10-26 19:37:42,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:37:42,861 INFO L93 Difference]: Finished difference Result 25598 states and 30810 transitions. [2018-10-26 19:37:42,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:37:42,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 246 [2018-10-26 19:37:42,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:37:42,898 INFO L225 Difference]: With dead ends: 25598 [2018-10-26 19:37:42,898 INFO L226 Difference]: Without dead ends: 15099 [2018-10-26 19:37:42,909 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 244 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:37:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15099 states. [2018-10-26 19:37:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15099 to 13389. [2018-10-26 19:37:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13389 states. [2018-10-26 19:37:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13389 states to 13389 states and 14998 transitions. [2018-10-26 19:37:43,130 INFO L78 Accepts]: Start accepts. Automaton has 13389 states and 14998 transitions. Word has length 246 [2018-10-26 19:37:43,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:37:43,130 INFO L481 AbstractCegarLoop]: Abstraction has 13389 states and 14998 transitions. [2018-10-26 19:37:43,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:37:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13389 states and 14998 transitions. [2018-10-26 19:37:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 19:37:43,135 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:37:43,135 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:37:43,136 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:37:43,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:37:43,136 INFO L82 PathProgramCache]: Analyzing trace with hash 620548439, now seen corresponding path program 1 times [2018-10-26 19:37:43,136 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:37:43,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:37:43,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:43,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:43,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-10-26 19:37:43,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:37:43,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:37:43,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:37:43,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:37:43,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:43,542 INFO L87 Difference]: Start difference. First operand 13389 states and 14998 transitions. Second operand 4 states. [2018-10-26 19:37:50,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:37:50,947 INFO L93 Difference]: Finished difference Result 36602 states and 41054 transitions. [2018-10-26 19:37:50,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:37:50,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 282 [2018-10-26 19:37:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:37:50,985 INFO L225 Difference]: With dead ends: 36602 [2018-10-26 19:37:50,985 INFO L226 Difference]: Without dead ends: 22779 [2018-10-26 19:37:50,996 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:37:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22779 states. [2018-10-26 19:37:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22779 to 18076. [2018-10-26 19:37:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18076 states. [2018-10-26 19:37:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18076 states to 18076 states and 19984 transitions. [2018-10-26 19:37:51,209 INFO L78 Accepts]: Start accepts. Automaton has 18076 states and 19984 transitions. Word has length 282 [2018-10-26 19:37:51,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:37:51,209 INFO L481 AbstractCegarLoop]: Abstraction has 18076 states and 19984 transitions. [2018-10-26 19:37:51,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:37:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 18076 states and 19984 transitions. [2018-10-26 19:37:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-10-26 19:37:51,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:37:51,223 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:37:51,223 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:37:51,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:37:51,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1288469066, now seen corresponding path program 1 times [2018-10-26 19:37:51,224 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:37:51,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:37:51,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:51,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:51,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:37:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 466 proven. 83 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-10-26 19:37:51,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:37:51,977 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:37:51,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:37:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:52,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:37:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 511 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-10-26 19:37:52,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:37:52,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2018-10-26 19:37:52,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:37:52,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:37:52,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:37:52,749 INFO L87 Difference]: Start difference. First operand 18076 states and 19984 transitions. Second operand 7 states. [2018-10-26 19:38:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:38:58,010 INFO L93 Difference]: Finished difference Result 87792 states and 96701 transitions. [2018-10-26 19:38:58,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 19:38:58,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 425 [2018-10-26 19:38:58,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:38:58,087 INFO L225 Difference]: With dead ends: 87792 [2018-10-26 19:38:58,088 INFO L226 Difference]: Without dead ends: 62438 [2018-10-26 19:38:58,118 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-10-26 19:38:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62438 states. [2018-10-26 19:38:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62438 to 53886. [2018-10-26 19:38:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53886 states. [2018-10-26 19:38:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53886 states to 53886 states and 57571 transitions. [2018-10-26 19:38:59,059 INFO L78 Accepts]: Start accepts. Automaton has 53886 states and 57571 transitions. Word has length 425 [2018-10-26 19:38:59,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:38:59,059 INFO L481 AbstractCegarLoop]: Abstraction has 53886 states and 57571 transitions. [2018-10-26 19:38:59,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:38:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 53886 states and 57571 transitions. [2018-10-26 19:38:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2018-10-26 19:38:59,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:38:59,082 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:38:59,082 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:38:59,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:38:59,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1690994604, now seen corresponding path program 1 times [2018-10-26 19:38:59,083 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:38:59,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:38:59,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:38:59,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:38:59,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:38:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 222 proven. 83 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 19:38:59,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:38:59,750 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:38:59,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:38:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:59,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:39:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 222 proven. 83 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 19:39:00,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 19:39:00,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-10-26 19:39:00,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 19:39:00,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 19:39:00,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:39:00,188 INFO L87 Difference]: Start difference. First operand 53886 states and 57571 transitions. Second operand 9 states. [2018-10-26 19:39:09,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:39:09,878 INFO L93 Difference]: Finished difference Result 111611 states and 119139 transitions. [2018-10-26 19:39:09,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:39:09,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 457 [2018-10-26 19:39:09,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:39:09,949 INFO L225 Difference]: With dead ends: 111611 [2018-10-26 19:39:09,949 INFO L226 Difference]: Without dead ends: 57727 [2018-10-26 19:39:09,986 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:39:10,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57727 states. [2018-10-26 19:39:10,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57727 to 57719. [2018-10-26 19:39:10,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57719 states. [2018-10-26 19:39:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57719 states to 57719 states and 61515 transitions. [2018-10-26 19:39:10,588 INFO L78 Accepts]: Start accepts. Automaton has 57719 states and 61515 transitions. Word has length 457 [2018-10-26 19:39:10,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:39:10,588 INFO L481 AbstractCegarLoop]: Abstraction has 57719 states and 61515 transitions. [2018-10-26 19:39:10,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 19:39:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 57719 states and 61515 transitions. [2018-10-26 19:39:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2018-10-26 19:39:10,606 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:39:10,606 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:39:10,606 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:39:10,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:39:10,607 INFO L82 PathProgramCache]: Analyzing trace with hash -172057196, now seen corresponding path program 1 times [2018-10-26 19:39:10,607 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:39:10,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:39:10,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:39:10,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:39:10,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:39:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 17 proven. 480 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:39:11,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:39:11,210 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:39:11,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:39:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:11,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:39:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-10-26 19:39:12,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:39:12,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-26 19:39:12,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 19:39:12,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 19:39:12,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-26 19:39:12,062 INFO L87 Difference]: Start difference. First operand 57719 states and 61515 transitions. Second operand 8 states. [2018-10-26 19:40:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:40:29,991 INFO L93 Difference]: Finished difference Result 164085 states and 175547 transitions. [2018-10-26 19:40:29,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 19:40:29,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 467 [2018-10-26 19:40:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:40:30,164 INFO L225 Difference]: With dead ends: 164085 [2018-10-26 19:40:30,165 INFO L226 Difference]: Without dead ends: 106797 [2018-10-26 19:40:30,224 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 470 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-26 19:40:30,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106797 states. [2018-10-26 19:40:31,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106797 to 69241. [2018-10-26 19:40:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69241 states. [2018-10-26 19:40:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69241 states to 69241 states and 73757 transitions. [2018-10-26 19:40:31,836 INFO L78 Accepts]: Start accepts. Automaton has 69241 states and 73757 transitions. Word has length 467 [2018-10-26 19:40:31,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:40:31,837 INFO L481 AbstractCegarLoop]: Abstraction has 69241 states and 73757 transitions. [2018-10-26 19:40:31,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 19:40:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 69241 states and 73757 transitions. [2018-10-26 19:40:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2018-10-26 19:40:31,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:40:31,852 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:40:31,852 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:40:31,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:40:31,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1944443497, now seen corresponding path program 1 times [2018-10-26 19:40:31,853 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:40:31,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:40:31,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:40:31,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:40:31,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:40:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:32,290 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 19:40:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 265 proven. 83 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 19:40:32,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:40:32,597 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:40:32,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:40:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:32,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:40:34,932 WARN L179 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-10-26 19:40:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:40:36,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:40:36,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-10-26 19:40:36,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:40:36,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:40:36,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:40:36,558 INFO L87 Difference]: Start difference. First operand 69241 states and 73757 transitions. Second operand 7 states. Received shutdown request... [2018-10-26 19:40:49,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:40:49,965 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 19:40:49,970 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 19:40:49,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:40:49 BoogieIcfgContainer [2018-10-26 19:40:49,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:40:49,971 INFO L168 Benchmark]: Toolchain (without parser) took 256498.99 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-26 19:40:49,972 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 19:40:49,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1584.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-26 19:40:49,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 610.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -912.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-26 19:40:49,975 INFO L168 Benchmark]: Boogie Preprocessor took 302.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2018-10-26 19:40:49,975 INFO L168 Benchmark]: RCFGBuilder took 12756.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 479.3 MB). Peak memory consumption was 479.3 MB. Max. memory is 7.1 GB. [2018-10-26 19:40:49,978 INFO L168 Benchmark]: TraceAbstraction took 241236.57 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 1.6 GB in the beginning and 2.5 GB in the end (delta: -897.4 MB). Peak memory consumption was 630.3 MB. Max. memory is 7.1 GB. [2018-10-26 19:40:49,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1584.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 610.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -912.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 302.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12756.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 479.3 MB). Peak memory consumption was 479.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241236.57 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 1.6 GB in the beginning and 2.5 GB in the end (delta: -897.4 MB). Peak memory consumption was 630.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 62). Cancelled while BasicCegarLoop was constructing difference of abstraction (69241states) and FLOYD_HOARE automaton (currently 6 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (2830 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 241.1s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 224.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4510 SDtfs, 20934 SDslu, 2555 SDs, 0 SdLazy, 44896 SolverSat, 6672 SolverUnsat, 58 SolverUnknown, 0 SolverNotchecked, 208.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2159 GetRequests, 2106 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69241occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 54319 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 5180 NumberOfCodeBlocks, 5180 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 5164 ConstructedInterpolants, 282 QuantifiedInterpolants, 13211851 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2748 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 4355/5309 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown